I finally found some images of Green Lantern's sidekick Tom Kalmaku. Since I've talked about casting someone who looks Inuit in the Green Lantern movie, check them out:
As I said, Adam Beach isn't a bad match for Tom Kalmaku facially. He's a lot better than having some random white, Asian, or Latino guy play the role.
For more on the Green Lantern movie, see Adam Beach to Play Tom Kalmaku? For more on the subject of non-Natives playing Natives, see A Brief History of "Redface" and The Best Indian Movies.